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Ropeless linear elevator (RLE) is expected to be a new transport solution for skyscrapers and very deep underground applications in the near future. In our Laboratory, an experimental model of RLE has... been designed and manufactured using the theory of a controlled-PM linear synchronous motor (LSM) developed by one of the authors. We have succeeded in the fundamental elevate-motion control including the stop experiment without guidance control. Contactless Magnetic guidance becomes possible if the vertical-levitation force of LSM is controlled at the same time with the direct drive of cage by the LSM driving force, too. This paper presents contactless magnetic control by controlling PM of the upside and the bottom side and levitation force between the armatures in four controlled-PM (CPM) that are carried on cage both side in RLE. Moreover, regardless of the elevate-motion time, a change in the gap was restrained at the time of cage stop, and electric power minimization control was realized. This paper presents the experimental implementation of the contactless guide control when moving vertically in the RLE system.続きを見る
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